auto-shutdown/Program.cs

using System.Windows;

namespace AutoShutdown;

internal static class Program
{
    [STAThread]
    private static void Main(string[] args)
    {
        var app = new System.Windows.Application();

#if DEBUG
        if (args.Any(arg => arg.Equals("--capture-notification-settings-ui", StringComparison.OrdinalIgnoreCase)))
        {
            CaptureNotificationSettingsUiAndExit(app, args);
            return;
        }

        if (args.Any(arg => arg.Equals("--capture-ui", StringComparison.OrdinalIgnoreCase) || arg.StartsWith("--capture-ui=", StringComparison.OrdinalIgnoreCase)))
        {
            CaptureUiAndExit(app, args);
            return;
        }
#endif

        app.Run(new MainWindow());
    }

#if DEBUG
    private static void CaptureUiAndExit(System.Windows.Application app, string[] args)
    {
        var size = ResolveCaptureSize(args);
        var window = new MainWindow(enableTray: false)
        {
            WindowStartupLocation = WindowStartupLocation.Manual,
            Left = -20000,
            Top = -20000,
            Width = size.Width,
            Height = size.Height,
            ShowInTaskbar = false
        };

        window.ContentRendered += (_, _) =>
        {
            window.Dispatcher.InvokeAsync(() =>
            {
                var requestedPath = args
                    .FirstOrDefault(arg => arg.StartsWith("--capture-ui=", StringComparison.OrdinalIgnoreCase))
                    ?.Split('=', 2)[1];

                var path = Services.ScreenshotService.Capture(window, requestedPath);
                Console.WriteLine(path);
                window.Close();
            }, System.Windows.Threading.DispatcherPriority.ApplicationIdle);
        };

        app.Run(window);
    }

    private static void CaptureNotificationSettingsUiAndExit(System.Windows.Application app, string[] args)
    {
        var window = new NotificationSettingsWindow(
            Models.NotificationSettings.Default(),
            new Services.NotificationService(Models.NotificationSettings.Default()))
        {
            WindowStartupLocation = WindowStartupLocation.Manual,
            Left = -20000,
            Top = -20000,
            ShowInTaskbar = false
        };

        window.ContentRendered += (_, _) =>
        {
            window.Dispatcher.InvokeAsync(() =>
            {
                var requestedPath = args
                    .FirstOrDefault(arg => arg.StartsWith("--capture-ui=", StringComparison.OrdinalIgnoreCase))
                    ?.Split('=', 2)[1];

                var path = Services.ScreenshotService.Capture(window, requestedPath);
                Console.WriteLine(path);
                window.Close();
            }, System.Windows.Threading.DispatcherPriority.ApplicationIdle);
        };

        app.Run(window);
    }

    private static System.Windows.Size ResolveCaptureSize(string[] args)
    {
        var sizeArg = args.FirstOrDefault(arg => arg.StartsWith("--capture-size=", StringComparison.OrdinalIgnoreCase));
        if (sizeArg is null)
        {
            return new System.Windows.Size(1100, 760);
        }

        var raw = sizeArg.Split('=', 2)[1].ToLowerInvariant().Split('x', 2);
        return raw.Length == 2 && double.TryParse(raw[0], out var width) && double.TryParse(raw[1], out var height)
            ? new System.Windows.Size(width, height)
            : new System.Windows.Size(1100, 760);
    }
#endif
}